1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
use std::{collections::BTreeMap, ops::Deref, pin::Pin};
use crate::{proto::node::Node, Error};
use bytes::Bytes;
use futures::Stream;
use tonic::async_trait;
/// Provides an interface for looking up root nodes in tvix-castore by given
/// a lookup key (usually the basename), and optionally allow a listing.
#[async_trait]
pub trait RootNodes: Send + Sync {
/// Looks up a root CA node based on the basename of the node in the root
/// directory of the filesystem.
async fn get_by_basename(&self, name: &[u8]) -> Result<Option<Node>, Error>;
/// Lists all root CA nodes in the filesystem. An error can be returned
/// in case listing is not allowed
fn list(&self) -> Pin<Box<dyn Stream<Item = Result<Node, Error>> + Send + '_>>;
}
#[async_trait]
/// Implements RootNodes for something deref'ing to a BTreeMap of Nodes, where
/// the key is the node name.
impl<T> RootNodes for T
where
T: Deref<Target = BTreeMap<Bytes, Node>> + Send + Sync,
{
async fn get_by_basename(&self, name: &[u8]) -> Result<Option<Node>, Error> {
Ok(self.get(name).cloned())
}
fn list(&self) -> Pin<Box<dyn Stream<Item = Result<Node, Error>> + Send + '_>> {
Box::pin(tokio_stream::iter(self.iter().map(|(_, v)| Ok(v.clone()))))
}
}
|
